X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignalbase.cpp;h=5aec9ba884677e924cb8e0d1d533a62c4ef467b2;hp=55397edfc4177bd7fb60d264f43d49791db80523;hb=b5d20c6d003d853ad0828d15b365988519e73e88;hpb=bf0edd2b0cbb5f4bd5d69b0f00bcea7d037e2287
diff --git a/pv/data/signalbase.cpp b/pv/data/signalbase.cpp
index 55397edf..5aec9ba8 100644
--- a/pv/data/signalbase.cpp
+++ b/pv/data/signalbase.cpp
@@ -15,25 +15,55 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
+#include "analog.hpp"
+#include "analogsegment.hpp"
+#include "decode/row.hpp"
+#include "logic.hpp"
+#include "logicsegment.hpp"
#include "signalbase.hpp"
+#include "signaldata.hpp"
-using std::shared_ptr;
+#include
+
+#include
+#include
-using sigrok::Channel;
-using sigrok::ChannelType;
+using std::dynamic_pointer_cast;
+using std::make_shared;
+using std::out_of_range;
+using std::shared_ptr;
+using std::tie;
+using std::unique_lock;
namespace pv {
namespace data {
-const int SignalBase::ColourBGAlpha = 8*256/100;
+const int SignalBase::ColourBGAlpha = 8 * 256 / 100;
+const uint64_t SignalBase::ConversionBlockSize = 4096;
+const uint32_t SignalBase::ConversionDelay = 1000; // 1 second
-SignalBase::SignalBase(shared_ptr channel) :
- channel_(channel)
+SignalBase::SignalBase(shared_ptr channel, ChannelType channel_type) :
+ channel_(channel),
+ channel_type_(channel_type),
+ conversion_type_(NoConversion),
+ min_value_(0),
+ max_value_(0)
{
+ if (channel_)
+ internal_name_ = QString::fromStdString(channel_->name());
+
+ connect(&delayed_conversion_starter_, SIGNAL(timeout()),
+ this, SLOT(on_delayed_conversion_start()));
+ delayed_conversion_starter_.setSingleShot(true);
+ delayed_conversion_starter_.setInterval(ConversionDelay);
+}
+
+SignalBase::~SignalBase()
+{
+ stop_conversion();
}
shared_ptr SignalBase::channel() const
@@ -46,6 +76,19 @@ QString SignalBase::name() const
return (channel_) ? QString::fromStdString(channel_->name()) : name_;
}
+QString SignalBase::internal_name() const
+{
+ return internal_name_;
+}
+
+QString SignalBase::display_name() const
+{
+ if (name() != internal_name_)
+ return name() + " (" + internal_name_ + ")";
+ else
+ return name();
+}
+
void SignalBase::set_name(QString name)
{
if (channel_)
@@ -69,14 +112,22 @@ void SignalBase::set_enabled(bool value)
}
}
-const ChannelType *SignalBase::type() const
+SignalBase::ChannelType SignalBase::type() const
{
- return (channel_) ? channel_->type() : nullptr;
+ return channel_type_;
}
unsigned int SignalBase::index() const
{
- return (channel_) ? channel_->index() : (unsigned int)-1;
+ return (channel_) ? channel_->index() : 0;
+}
+
+unsigned int SignalBase::logic_bit_index() const
+{
+ if (channel_type_ == LogicChannel)
+ return channel_->index();
+ else
+ return 0;
}
QColor SignalBase::colour() const
@@ -99,5 +150,542 @@ QColor SignalBase::bgcolour() const
return bgcolour_;
}
+void SignalBase::set_data(shared_ptr data)
+{
+ if (data_) {
+ disconnect(data.get(), SIGNAL(samples_cleared()),
+ this, SLOT(on_samples_cleared()));
+ disconnect(data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
+
+ if (channel_type_ == AnalogChannel) {
+ shared_ptr analog = analog_data();
+ assert(analog);
+
+ disconnect(analog.get(), SIGNAL(min_max_changed(float, float)),
+ this, SLOT(on_min_max_changed(float, float)));
+ }
+ }
+
+ data_ = data;
+
+ if (data_) {
+ connect(data.get(), SIGNAL(samples_cleared()),
+ this, SLOT(on_samples_cleared()));
+ connect(data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t)));
+
+ if (channel_type_ == AnalogChannel) {
+ shared_ptr analog = analog_data();
+ assert(analog);
+
+ connect(analog.get(), SIGNAL(min_max_changed(float, float)),
+ this, SLOT(on_min_max_changed(float, float)));
+ }
+ }
+}
+
+shared_ptr SignalBase::analog_data() const
+{
+ shared_ptr result = nullptr;
+
+ if (channel_type_ == AnalogChannel)
+ result = dynamic_pointer_cast(data_);
+
+ return result;
+}
+
+shared_ptr SignalBase::logic_data() const
+{
+ shared_ptr result = nullptr;
+
+ if (channel_type_ == LogicChannel)
+ result = dynamic_pointer_cast(data_);
+
+ if (((conversion_type_ == A2LConversionByThreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger)))
+ result = dynamic_pointer_cast(converted_data_);
+
+ return result;
+}
+
+bool SignalBase::segment_is_complete(uint32_t segment_id) const
+{
+ bool result = true;
+
+ if (channel_type_ == AnalogChannel)
+ {
+ shared_ptr data = dynamic_pointer_cast(data_);
+ auto segments = data->analog_segments();
+ try {
+ result = segments.at(segment_id)->is_complete();
+ } catch (out_of_range) {
+ // Do nothing
+ }
+ }
+
+ if (channel_type_ == LogicChannel)
+ {
+ shared_ptr data = dynamic_pointer_cast(data_);
+ auto segments = data->logic_segments();
+ try {
+ result = segments.at(segment_id)->is_complete();
+ } catch (out_of_range) {
+ // Do nothing
+ }
+ }
+
+ return result;
+}
+
+SignalBase::ConversionType SignalBase::get_conversion_type() const
+{
+ return conversion_type_;
+}
+
+void SignalBase::set_conversion_type(ConversionType t)
+{
+ if (conversion_type_ != NoConversion) {
+ stop_conversion();
+
+ // Discard converted data
+ converted_data_.reset();
+ samples_cleared();
+ }
+
+ conversion_type_ = t;
+
+ // Re-create an empty container
+ // so that the signal is recognized as providing logic data
+ // and thus can be assigned to a decoder
+ if (conversion_is_a2l())
+ if (!converted_data_)
+ converted_data_ = make_shared(1); // Contains only one channel
+
+ start_conversion();
+
+ conversion_type_changed(t);
+}
+
+map SignalBase::get_conversion_options() const
+{
+ return conversion_options_;
+}
+
+bool SignalBase::set_conversion_option(QString key, QVariant value)
+{
+ QVariant old_value;
+
+ auto key_iter = conversion_options_.find(key);
+ if (key_iter != conversion_options_.end())
+ old_value = key_iter->second;
+
+ conversion_options_[key] = value;
+
+ return (value != old_value);
+}
+
+vector SignalBase::get_conversion_thresholds(const ConversionType t,
+ const bool always_custom) const
+{
+ vector result;
+ ConversionType conv_type = t;
+ ConversionPreset preset;
+
+ // Use currently active conversion if no conversion type was supplied
+ if (conv_type == NoConversion)
+ conv_type = conversion_type_;
+
+ if (always_custom)
+ preset = NoPreset;
+ else
+ preset = get_current_conversion_preset();
+
+ if (conv_type == A2LConversionByThreshold) {
+ double thr = 0;
+
+ if (preset == NoPreset) {
+ auto thr_iter = conversion_options_.find("threshold_value");
+ if (thr_iter != conversion_options_.end())
+ thr = (thr_iter->second).toDouble();
+ }
+
+ if (preset == DynamicPreset)
+ thr = (min_value_ + max_value_) * 0.5; // middle between min and max
+
+ if ((int)preset == 1) thr = 0.9;
+ if ((int)preset == 2) thr = 1.8;
+ if ((int)preset == 3) thr = 2.5;
+ if ((int)preset == 4) thr = 1.5;
+
+ result.push_back(thr);
+ }
+
+ if (conv_type == A2LConversionBySchmittTrigger) {
+ double thr_lo = 0, thr_hi = 0;
+
+ if (preset == NoPreset) {
+ auto thr_lo_iter = conversion_options_.find("threshold_value_low");
+ if (thr_lo_iter != conversion_options_.end())
+ thr_lo = (thr_lo_iter->second).toDouble();
+
+ auto thr_hi_iter = conversion_options_.find("threshold_value_high");
+ if (thr_hi_iter != conversion_options_.end())
+ thr_hi = (thr_hi_iter->second).toDouble();
+ }
+
+ if (preset == DynamicPreset) {
+ const double amplitude = max_value_ - min_value_;
+ const double center = min_value_ + (amplitude / 2);
+ thr_lo = center - (amplitude * 0.15); // 15% margin
+ thr_hi = center + (amplitude * 0.15); // 15% margin
+ }
+
+ if ((int)preset == 1) { thr_lo = 0.3; thr_hi = 1.2; }
+ if ((int)preset == 2) { thr_lo = 0.7; thr_hi = 2.5; }
+ if ((int)preset == 3) { thr_lo = 1.3; thr_hi = 3.7; }
+ if ((int)preset == 4) { thr_lo = 0.8; thr_hi = 2.0; }
+
+ result.push_back(thr_lo);
+ result.push_back(thr_hi);
+ }
+
+ return result;
+}
+
+vector< pair > SignalBase::get_conversion_presets() const
+{
+ vector< pair > presets;
+
+ if (conversion_type_ == A2LConversionByThreshold) {
+ // Source: http://www.interfacebus.com/voltage_threshold.html
+ presets.emplace_back(tr("Signal average"), 0);
+ presets.emplace_back(tr("0.9V (for 1.8V CMOS)"), 1);
+ presets.emplace_back(tr("1.8V (for 3.3V CMOS)"), 2);
+ presets.emplace_back(tr("2.5V (for 5.0V CMOS)"), 3);
+ presets.emplace_back(tr("1.5V (for TTL)"), 4);
+ }
+
+ if (conversion_type_ == A2LConversionBySchmittTrigger) {
+ // Source: http://www.interfacebus.com/voltage_threshold.html
+ presets.emplace_back(tr("Signal average +/- 15%"), 0);
+ presets.emplace_back(tr("0.3V/1.2V (for 1.8V CMOS)"), 1);
+ presets.emplace_back(tr("0.7V/2.5V (for 3.3V CMOS)"), 2);
+ presets.emplace_back(tr("1.3V/3.7V (for 5.0V CMOS)"), 3);
+ presets.emplace_back(tr("0.8V/2.0V (for TTL)"), 4);
+ }
+
+ return presets;
+}
+
+SignalBase::ConversionPreset SignalBase::get_current_conversion_preset() const
+{
+ auto preset = conversion_options_.find("preset");
+ if (preset != conversion_options_.end())
+ return (ConversionPreset)((preset->second).toInt());
+
+ return DynamicPreset;
+}
+
+void SignalBase::set_conversion_preset(ConversionPreset id)
+{
+ conversion_options_["preset"] = (int)id;
+}
+
+#ifdef ENABLE_DECODE
+bool SignalBase::is_decode_signal() const
+{
+ return (channel_type_ == DecodeChannel);
+}
+#endif
+
+void SignalBase::save_settings(QSettings &settings) const
+{
+ settings.setValue("name", name());
+ settings.setValue("enabled", enabled());
+ settings.setValue("colour", colour());
+ settings.setValue("conversion_type", (int)conversion_type_);
+
+ settings.setValue("conv_options", (int)(conversion_options_.size()));
+ int i = 0;
+ for (auto kvp : conversion_options_) {
+ settings.setValue(QString("conv_option%1_key").arg(i), kvp.first);
+ settings.setValue(QString("conv_option%1_value").arg(i), kvp.second);
+ i++;
+ }
+}
+
+void SignalBase::restore_settings(QSettings &settings)
+{
+ set_name(settings.value("name").toString());
+ set_enabled(settings.value("enabled").toBool());
+ set_colour(settings.value("colour").value());
+ set_conversion_type((ConversionType)settings.value("conversion_type").toInt());
+
+ int conv_options = settings.value("conv_options").toInt();
+
+ if (conv_options)
+ for (int i = 0; i < conv_options; i++) {
+ QString key = settings.value(QString("conv_option%1_key").arg(i)).toString();
+ QVariant value = settings.value(QString("conv_option%1_value").arg(i));
+ conversion_options_[key] = value;
+ }
+}
+
+bool SignalBase::conversion_is_a2l() const
+{
+ return ((channel_type_ == AnalogChannel) &&
+ ((conversion_type_ == A2LConversionByThreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger)));
+}
+
+void SignalBase::convert_single_segment(AnalogSegment *asegment, LogicSegment *lsegment)
+{
+ uint64_t start_sample, end_sample;
+ start_sample = end_sample = 0;
+
+ start_sample = lsegment->get_sample_count();
+ end_sample = asegment->get_sample_count();
+
+ if (end_sample > start_sample) {
+ tie(min_value_, max_value_) = asegment->get_min_max();
+
+ // Create sigrok::Analog instance
+ float *asamples = new float[ConversionBlockSize];
+ uint8_t *lsamples = new uint8_t[ConversionBlockSize];
+
+ vector > channels;
+ channels.push_back(channel_);
+
+ vector mq_flags;
+ const sigrok::Quantity * const mq = sigrok::Quantity::VOLTAGE;
+ const sigrok::Unit * const unit = sigrok::Unit::VOLT;
+
+ shared_ptr packet =
+ Session::sr_context->create_analog_packet(channels,
+ asamples, ConversionBlockSize, mq, unit, mq_flags);
+
+ shared_ptr analog =
+ dynamic_pointer_cast(packet->payload());
+
+ // Convert
+ uint64_t i = start_sample;
+
+ if (conversion_type_ == A2LConversionByThreshold) {
+ const double threshold = get_conversion_thresholds()[0];
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > ConversionBlockSize) {
+ asegment->get_samples(i, i + ConversionBlockSize, asamples);
+
+ shared_ptr logic =
+ analog->get_logic_via_threshold(threshold, lsamples);
+
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+
+ samples_added(lsegment, i, i + ConversionBlockSize);
+ i += ConversionBlockSize;
+ }
+
+ // Re-create sigrok::Analog and convert remaining samples
+ packet = Session::sr_context->create_analog_packet(channels,
+ asamples, end_sample - i, mq, unit, mq_flags);
+
+ analog = dynamic_pointer_cast(packet->payload());
+
+ asegment->get_samples(i, end_sample, asamples);
+ shared_ptr logic =
+ analog->get_logic_via_threshold(threshold, lsamples);
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment, i, end_sample);
+ }
+
+ if (conversion_type_ == A2LConversionBySchmittTrigger) {
+ const vector thresholds = get_conversion_thresholds();
+ const double lo_thr = thresholds[0];
+ const double hi_thr = thresholds[1];
+
+ uint8_t state = 0; // TODO Use value of logic sample n-1 instead of 0
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > ConversionBlockSize) {
+ asegment->get_samples(i, i + ConversionBlockSize, asamples);
+
+ shared_ptr logic =
+ analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr,
+ &state, lsamples);
+
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+
+ samples_added(lsegment, i, i + ConversionBlockSize);
+ i += ConversionBlockSize;
+ }
+
+ // Re-create sigrok::Analog and convert remaining samples
+ packet = Session::sr_context->create_analog_packet(channels,
+ asamples, end_sample - i, mq, unit, mq_flags);
+
+ analog = dynamic_pointer_cast(packet->payload());
+
+ asegment->get_samples(i, end_sample, asamples);
+ shared_ptr logic =
+ analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr,
+ &state, lsamples);
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment, i, end_sample);
+ }
+
+ // If acquisition is ongoing, start-/endsample may have changed
+ end_sample = asegment->get_sample_count();
+
+ delete[] lsamples;
+ delete[] asamples;
+ }
+}
+
+void SignalBase::conversion_thread_proc()
+{
+ shared_ptr analog_data;
+
+ if (conversion_is_a2l()) {
+ analog_data = dynamic_pointer_cast(data_);
+
+ if (analog_data->analog_segments().size() == 0) {
+ unique_lock input_lock(conversion_input_mutex_);
+ conversion_input_cond_.wait(input_lock);
+ }
+
+ } else
+ // Currently, we only handle A2L conversions
+ return;
+
+ // If we had to wait for input data, we may have been notified to terminate
+ if (conversion_interrupt_)
+ return;
+
+ uint32_t segment_id = 0;
+
+ AnalogSegment *asegment = analog_data->analog_segments().front().get();
+ assert(asegment);
+
+ const shared_ptr logic_data = dynamic_pointer_cast(converted_data_);
+ assert(logic_data);
+
+ // Create the initial logic data segment if needed
+ if (logic_data->logic_segments().size() == 0) {
+ shared_ptr new_segment =
+ make_shared(*logic_data.get(), 0, 1, asegment->samplerate());
+ logic_data->push_segment(new_segment);
+ }
+
+ LogicSegment *lsegment = logic_data->logic_segments().front().get();
+ assert(lsegment);
+
+ do {
+ convert_single_segment(asegment, lsegment);
+
+ if (analog_data->analog_segments().size() > logic_data->logic_segments().size()) {
+ // There are more segments to process
+ segment_id++;
+
+ try {
+ asegment = analog_data->analog_segments().at(segment_id).get();
+ } catch (out_of_range) {
+ qDebug() << "Conversion error for" << name() << ": no analog segment" \
+ << segment_id << ", segments size is" << analog_data->analog_segments().size();
+ return;
+ }
+
+ shared_ptr new_segment = make_shared(
+ *logic_data.get(), segment_id, 1, asegment->samplerate());
+ logic_data->push_segment(new_segment);
+
+ lsegment = logic_data->logic_segments().back().get();
+ } else {
+ // No more segments to process, wait for data or interrupt
+ if (!conversion_interrupt_) {
+ unique_lock input_lock(conversion_input_mutex_);
+ conversion_input_cond_.wait(input_lock);
+ }
+ }
+ } while (!conversion_interrupt_);
+}
+
+void SignalBase::start_conversion(bool delayed_start)
+{
+ if (delayed_start) {
+ delayed_conversion_starter_.start();
+ return;
+ }
+
+ stop_conversion();
+
+ if (converted_data_)
+ converted_data_->clear();
+ samples_cleared();
+
+ conversion_interrupt_ = false;
+ conversion_thread_ = std::thread(
+ &SignalBase::conversion_thread_proc, this);
+}
+
+void SignalBase::stop_conversion()
+{
+ // Stop conversion so we can restart it from the beginning
+ conversion_interrupt_ = true;
+ conversion_input_cond_.notify_one();
+ if (conversion_thread_.joinable())
+ conversion_thread_.join();
+}
+
+void SignalBase::on_samples_cleared()
+{
+ if (converted_data_)
+ converted_data_->clear();
+
+ samples_cleared();
+}
+
+void SignalBase::on_samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample)
+{
+ if (conversion_type_ != NoConversion) {
+ if (conversion_thread_.joinable()) {
+ // Notify the conversion thread since it's running
+ conversion_input_cond_.notify_one();
+ } else {
+ // Start the conversion thread unless the delay timer is running
+ if (!delayed_conversion_starter_.isActive())
+ start_conversion();
+ }
+ }
+
+ samples_added(segment, start_sample, end_sample);
+}
+
+void SignalBase::on_min_max_changed(float min, float max)
+{
+ // Restart conversion if one is enabled and uses a calculated threshold
+ if ((conversion_type_ != NoConversion) &&
+ (get_current_conversion_preset() == DynamicPreset))
+ start_conversion(true);
+
+ min_max_changed(min, max);
+}
+
+void SignalBase::on_capture_state_changed(int state)
+{
+ if (state == Session::Running) {
+ // Restart conversion if one is enabled
+ if (conversion_type_ != NoConversion)
+ start_conversion();
+ }
+}
+
+void SignalBase::on_delayed_conversion_start()
+{
+ start_conversion();
+}
+
} // namespace data
} // namespace pv